Perhaps you should try some spelling variations:
"dung chuan chau snippets" » "dong chuan chau snippets", "chung chuan chau snippets", "dung luan chau snippets", "dung chuan chat snippets", "dung chuan ha snippets", "dung chua chay snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung chuan chau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chuan chau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chuan chau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chuan chau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.